Unveil problems,yourself, your Bike.

As most what Sensors can unveil is mentioned Inside the Electronics-Intro, I want to list here the most common Sensors more detailled, and also want to demonstrate, that wiring and integration of sensors is probably easier, than most might think.
Of course a wide range of sensors make only sense in combination with Dashes and/or Data-Loggers.

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A wide range of Sensors is designed for Industry-Applications, they mostly have a Ampere Output range from 0- 20mA, which is not suitable for most dashes and loggers or general process-Control of electronic Motorcycle-Devices. So I have focussed all sensors, which are easy to calibrate, sensors, which already come with a datasheet, means I.E. Voltage/pressure , Voltage/Heat... and so on. Most work inside some kind of " TTL environment ", with output Voltages between 0.5-4.5 Volt , and supply voltages between 5 and 15 Volt. Some need to be resistant to aggressive media such as hydraulic Fluids or gasoline, they all need to be highly shock-resistant, accompanied by high accuracy and a internal temperature Compensation, to work proper in different ranges of Temperatur ( usually sufficient here is a range from 0-80 °C ), low Hysteresis values with high repeatability.
Addittional I have a closer look to extensions and weight, but If I have to choose I prefer a more accurate heavier sensor more than an " inaccurate" light one. and also ( as very Miniature Sensors I.E. for Brakepressure can cost easily 1000 euros each) I try to go for a reasonable Mix between Costs and Extension of a Sensor , because that can save a couple of thousands of $ or €, which is better spend somewhere else.
As far as I see it most of these Sensors have a very simple electrical Connection, they need a ground , a Power supply , and the 3rd connection is the output, which you can lead into a Logger , Dash or ECU....... or into all three .
And - especially for Motorcycles you don't have to fear a infinite Number of Sensors, far not as much as maybe a Formula 1 Car.

The aftermarket Sensors:
- Lambda sensor(s)
- Suspension linear sensors
- Wheel Speed Sensors
- IR- Sensors for Heat ( Tires, etc)
- Exhaust Gas Temp sensors ( K-elements)
- Fuelpressure Sensor
- Brake/Clutch/Oilpressure Sensor
- (Fuel) Temp Sensors
- Angle sensor mechanical ( for cable clutch levers )
- gear detection Sensor
- quickshift Sensor

Already inbuild in most/all modern Bikes ( so able to monitor too )
- TP Sensor
- MAP sensor
- Water Temp sensor
- Airbox pressure sensor
- Air(box inside) Temp Sensor
- Speed sensor
- Oilpressure switch on/off
- Neutral Switch on/off
- gear Indication Sensor

Easy but Important to monitor for Motorcycles without Alterntor = Voltage of Battery

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So this section here has far not grown to a level, where I could offer every sensor. Believe me, it's a hard Job sometimes to source the most suitable for a bike.
But step by step you'll find more and more here !